In addition, the points, though properly labeled look a little skewed from the axis. So the 20%, 62.656 point looks to be aligned with the 19% rather than the 20% mark on the axis. Also there should be no $ signs on the price axis.

200

In the calculation of Current or Income Yield both the yield in the numerator and the price in the denominator are % of face value. Thus the equation should read either: